PRISM3 DOT1 Atlantic Basin Reconstruction
Data Series
189
By: Harry Dowsett, Marci Robinson, Gary S. Dwyer, Mark Chandler, and Thomas Cronin
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Abstract
PRISM3 DOT1 (Pliocene Research, Interpretation and Synoptic Mapping 3, Deep Ocean Temperature 1) provides a three-dimensional temperature reconstruction for the mid-Pliocene Atlantic basin, the first of several regional data sets that will comprise a global mid-Pliocene reconstruction. DOT1 is an alteration of modern temperature values for the Atlantic Ocean in 4 degree x 5 degree cells in 13 depth layers for December 1 based on Mg/Ca-derived BWT estimates from seventeen DSDP and ODP Sites and SST estimates from the PRISM2 reconstruction (Dowsett et al., 1999). DOT1 reflects a vaguely modern circulation system, assuming similar processes of deep-water formation; however, North Atlantic Deep Water (NADW) production is increased, and Antarctic Bottom Water (AABW) production is decreased. Pliocene NADW was approximately 2 degreesC warmer than modern temperatures, and Pliocene AABW was approximately 0.3 degreesC warmer than modern temperatures.
Suggested Citation
Dowsett, H., Robinson, M., Dwyer, G., Chandler, M., and Cronin, T., 2006, PRISM3 DOT1 Atlantic Basin Reconstruction (Version 1.0): U.S. Geological Survey Data Series 189, Available online only, https://doi.org/10.3133/ds189.
ISSN: 2327-638X (online)
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | PRISM3 DOT1 Atlantic Basin Reconstruction |
| Series title | Data Series |
| Series number | 189 |
| DOI | 10.3133/ds189 |
| Edition | Version 1.0 |
| Year Published | 2006 |
| Language | ENGLISH |
| Publisher | Geological Survey (U.S.) |
| Contributing office(s) | U.S. Geological Survey |
| Description | Available online only |
| Projection | GISS |
| Online Only (Y/N) | Y |
| Additional Online Files (Y/N) | Y |